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GaryK [48]
3 years ago
7

A pattern has 5 blue triangles to every 80 yellow triangles. What is the ratio of blue triangles to all triangles?

Mathematics
1 answer:
Marianna [84]3 years ago
3 0
1:16 or 5:80, if you're simplifying then all you do is divide denominator by numerator. then that's your simplified ratio
You might be interested in
The sum of 5 consecutive even numbers is 216. What is the third number in the sequence
alexandr1967 [171]

Hello from MrBillDoesMath!

Answer:  NO solution possible!


Steps:

Let "n" be the first even number. We are told that


n + (n+2) + (n+4) + (n+6) + (n +8)  = 216


The third number, the value we want, is boldfaced above.


Simplify the above equation:

5n + ( 2 + 4 + 6 + 8 ) = 216   or


5n +  20  = 216  or

5n = 196


n = 196/5   is NOT an integer value.  This problem, as stated, has no solution.

Regards, MrB

4 0
4 years ago
If the infinite curve y = e−6x, x ≥ 0, is rotated about the x-axis, find the area of the resulting surface.
Ber [7]
The area:
A = 2  \pi  \lim_{b\to \infty} ( \int\limits^\infty_0 {e ^{-6x} } \, dx)
Substitution: u = - 6 x
du = - 6 dx
dx = -1/6 du
∫ -1/6 e^(u) du = - 1/6 e^(u) = - 1/6 e^(-6x)
A = -1/6 * 2 \pi   \lim_{b \to \infty}  (\int\limits^\infty_0 \, e ^{-6b} db) = \\ =- \pi /3 * ( e ^{-\infty} -e ^{0}) =  \\ = - \pi /3 * ( - 1 ) =
=  π / 3

4 0
3 years ago
I need to know the answer
natka813 [3]
Answer is 9 .............
5 0
4 years ago
Read 2 more answers
Help meeeeee with number 1 and 2 pls
Vedmedyk [2.9K]

Step-by-step explanation:

8x + 40

-6m -18

just expand the expression

5 0
3 years ago
Need help fast will give brainiest
fiasKO [112]

Answer:

The room is 41 square meters.

Step-by-step explanation:

The square at the very top is 16 meters because 4 * 4 is 16.

The rectangle at the bottom is 6 meters because 2 *3 is 6

And that leaves you with the rest which is

11 -4 = 7

8 + 4 is 12

then you add them two together and you get 19 meters.

the last part is adding everything up which is 16 + 6 + 19= 41

the room is 41 square meters

7 0
3 years ago
Read 2 more answers
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